Process tomography - the state of the art

This review provides an overview of the tomographic sensing methods that can be utilised to study process behaviour and their particular attributes (speed, sensi tivity, robustness, etc.). It provides literature citations and sources of information which potential users may consult. Particular emphasis is placed upon electrical methods, due to their inherent suitability for widespread on-line use. Future possible measurement capabilities of the family of electrical methods are discussed.

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